11022542121320 has 128 divisors (see below), whose sum is σ = 25218139795200. Its totient is φ = 4335390259200.

The previous prime is 11022542121307. The next prime is 11022542121379. The reversal of 11022542121320 is 2312124522011.

It is a self number, because there is not a number n which added to its sum of digits gives 11022542121320.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1086923450 + ... + 1086933590.

It is an arithmetic number, because the mean of its divisors is an integer number (197016717150).

Almost surely, 2^{11022542121320} is an apocalyptic number.

11022542121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11022542121320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12609069897600).

11022542121320 is an abundant number, since it is smaller than the sum of its proper divisors (14195597673880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11022542121320 is a wasteful number, since it uses less digits than its factorization.

11022542121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11899 (or 11895 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11022542121320 its reverse (2312124522011), we get a palindrome (13334666643331).

The spelling of 11022542121320 in words is "eleven trillion, twenty-two billion, five hundred forty-two million, one hundred twenty-one thousand, three hundred twenty".